New, unused set of 5 Nitto Kohki Lever Lock Couplers, made of aluminum alloy, LB-6TSM AL. Please comment if you wish to purchase individually. 【Product Description】 Transports liquids, gases, and powders with a light lever operation. Features an end-face seal structure, eliminating internal irregularities and enabling smooth fluid transport. Socket LB type (for female thread connection) Body Material: Aluminum Alloy Mating Thread Size: Rc3/4 ※The ring in the image is not included. Please check the manufacturer's website for detailed product information. Please note that this item is also listed on other flea market sites, and may be sold out on those sites.